Methanethiomethane
[建] 二甲硫
🗣️ 情景例句
Hello, Miss Huang. How are you?
喂，黄小姐，你好吗？
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
We resolve to get up earlier each morning,
我们决心每天早晨起得早些；